Files
tai/tai_pkg/gemini.py
T
retoor 8df5cf7a45 Split monolithic tai.py into tai_pkg package, keep tai-orig.py as original
tai.py (8643 lines) is now a thin facade over tai_pkg/ (33 feature modules, one class or feature per file). tai-orig.py preserves the pre-split single-file version byte for byte (sha256 verified against snapshot); import tai and ./tai.py behavior unchanged.

Equivalence proof, all run on this tree immediately pre-commit: differential battery tai-orig.py vs facade 3718 checks 0 failures (surface, pure fuzz, tool dispatch, store/audit, release ops, fake-HOME install roundtrip, CLI runs); test_tai.py 261 OK; test_seal.py 16 OK; --version/--help byte-identical; dir(tai) zero removals.

Fix included: opencode wire-protocol schema echo leaked into replies; opencode_parse now scans with JSONDecoder.raw_decode capped at 200 scans (13 OpencodeParseTests). Test count 261 = 237 HEAD + 8 pre-existing uncommitted ToolArgumentsTests (now committed with this change, disclosed) + 13 OpencodeParseTests + 3 EmbeddedStringsTests. Patch-target-only test migration (24 hunks), zero assertion changes. tai_pkg clean-regenerated after mid-verification tamper was found and reverted.
2026-10-10 19:25:02 +02:00

72 lines
2.8 KiB
Python

"""Gemini CLI backend."""
import json
import os
import shutil
from tai_pkg.clirun import Cli
from tai_pkg.errors import BackendError
from tai_pkg.opencode import Opencode
__all__ = ["Gemini"]
class Gemini:
"""Gemini."""
@staticmethod
def gemini_binary():
return os.environ.get("GEMINI_BIN") or shutil.which("gemini")
@staticmethod
def gemini_parse_output(stdout):
try:
data = json.loads(stdout or "")
except ValueError:
return Opencode.opencode_parse(stdout)
if not isinstance(data, dict):
return Opencode.opencode_parse(stdout)
err = data.get("error")
if err:
raise BackendError("gemini: %s" % (json.dumps(err) if isinstance(err, dict) else str(err))[:300])
response = data.get("response")
if isinstance(response, str) and response.strip():
return Opencode.opencode_parse(response)
return Opencode.opencode_parse(stdout)
@staticmethod
def gemini_run(prompt, timeout):
binary = Gemini.gemini_binary()
if not binary:
raise BackendError("gemini CLI not found (GEMINI_BIN or PATH)")
base = [binary, "-p", prompt]
variants = [
base + ["--output-format", "json", "--approval-mode", "plan"],
base + ["--output-format", "json"],
base,
]
last_error = ""
for argv in variants:
done = Cli._cli_run(argv, None, timeout, "gemini")
if done.returncode != 0 and Cli._cli_unknown_flag(done.stderr) and argv is not variants[-1]:
last_error = (done.stderr or "").strip()[:200]
continue
if done.returncode != 0 and not (done.stdout or "").strip():
blob = ((done.stderr or "") + "\n" + (done.stdout or "")).strip()
if Cli._cli_auth_failure(blob):
raise BackendError("gemini not authenticated (run gemini login or set GEMINI_API_KEY): %s" % blob[:200])
hint = {42: "input error", 53: "turn limit exceeded"}.get(done.returncode, "")
raise BackendError("gemini exit %d%s: %s" % (done.returncode, " (%s)" % hint if hint else "", blob[:300] or last_error or "no output"))
if not (done.stdout or "").strip():
blob = (done.stderr or "").strip()
raise BackendError("gemini returned no output: %s" % (blob[:300] or last_error or "empty stdout"))
return done.stdout or ""
raise BackendError("gemini failed: %s" % (last_error or "no usable output"))
@staticmethod
def gemini_health():
binary = Gemini.gemini_binary()
if not binary:
return "missing: gemini CLI not found"
return Cli._cli_version_only_health(binary, "gemini")